CN111671359A - Rolling slats door surface cleaning system - Google Patents
Rolling slats door surface cleaning system Download PDFInfo
- Publication number
- CN111671359A CN111671359A CN202010584522.6A CN202010584522A CN111671359A CN 111671359 A CN111671359 A CN 111671359A CN 202010584522 A CN202010584522 A CN 202010584522A CN 111671359 A CN111671359 A CN 111671359A
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- fixedly connected
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- plate
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning tools
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4075—Handles; levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Abstract
The invention discloses a rolling door surface cleaning system, which relates to the field of cleaning equipment and comprises a U-shaped fixing plate, wherein the left inner side wall and the right inner side wall of the U-shaped fixing plate are both rotatably connected with a threaded rod through a bearing, the left side of the U-shaped fixing plate is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with the left end of the threaded rod; the outer wall of the threaded rod is in threaded connection with a threaded barrel, the front side of the threaded barrel is fixedly connected with an L-shaped cleaning block, the upper side and the lower side of the L-shaped cleaning block are fixedly connected with two symmetrically distributed supporting plates, one side of each supporting plate, which is opposite to the other side, is fixedly connected with a spring, and one ends of the two springs, which are far away from the supporting plates, are fixedly connected with a clamping plate together; the bottom of U type fixed plate is provided with handheld pole, the top fixedly connected with adjustment mechanism of handheld pole. The cleaning device can conveniently clean the surface of the rolling door and can conveniently replace wiping cloth.
Description
Technical Field
The invention relates to the field of cleaning equipment, in particular to a rolling door surface cleaning system.
Background
The rolling door is a door which is formed by connecting a plurality of movable door sheets in series and rotates up and down by taking a scroll above the door as a center in a fixed slideway. Rolling doors are generally widely used in stores, and the rolling doors serve as horizontal partitions like walls, and are composed of a plurality of parts, such as curtain plates, seat plates, guide rails, supports, reels, a box body, a control box, a rolling door machine, a limiter, a door lintel, a manual quick-release switch device, a button switch, a safety device and the like, and are generally installed at positions where partition by walls is inconvenient.
Current rolling slats door is after using for a long time, and its surface becomes dirty easily, and when the clearance, mostly need the manual work to hand wiping cloth and clean its surface, and when higher position can't be cleaned, still need clear up with the help of instruments such as ladders, and is too loaded down with trivial details inconvenient.
Therefore, it is desirable to develop a roller door surface cleaning system to solve the above problems.
Disclosure of Invention
The present invention is directed to a roller shutter surface cleaning system to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a surface cleaning system for a roller shutter door comprises a U-shaped fixing plate, wherein the left inner side wall and the right inner side wall of the U-shaped fixing plate are both rotatably connected with a threaded rod through a bearing, the left side of the U-shaped fixing plate is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with the left end of the threaded rod;
the outer wall of the threaded rod is in threaded connection with a threaded barrel, connecting support rods are symmetrically arranged on the threaded barrel and are connected with a connecting transverse plate in a sliding fit mode, a driving motor is mounted at the upper end of the connecting transverse plate through a motor base, an eccentric rotary table is mounted on an output shaft of the driving motor, driving connecting plates are symmetrically mounted on the threaded barrel and are located on two sides of the eccentric rotary table, and one end, away from the output shaft of the driving motor, of the eccentric rotary table abuts against the driving connecting plates;
the lower end of the connecting support rod is provided with a T-shaped sliding block, a T-shaped sliding groove is formed in the connecting transverse plate, the T-shaped sliding block is arranged in the T-shaped sliding groove in a sliding mode, a reset spring rod is arranged in the T-shaped sliding groove, and the reset spring rod is connected to the T-shaped sliding block;
the front side of the connecting transverse plate is fixedly connected with an L-shaped cleaning block, the upper side and the lower side of the L-shaped cleaning block are fixedly connected with two symmetrically distributed supporting plates, one side of each of the two supporting plates, which is opposite to each other, is fixedly connected with a spring, and one end of each of the two springs, which is far away from the corresponding supporting plate, is fixedly connected with a clamping plate;
the bottom of U type fixed plate is provided with handheld pole, the top fixedly connected with adjustment mechanism of handheld pole.
Preferably, the adjusting mechanism comprises an extension rod fixedly connected with the top of the handheld rod, one end, away from the handheld rod, of the extension rod is slidably connected with a storage barrel, the top end of the storage barrel is fixedly connected with the bottom of the U-shaped fixing plate, a threaded hole is formed in the right side of the storage barrel, and a bolt corresponding to the extension rod is connected with the threaded hole in an internal thread manner.
Preferably, the outer wall of the bottom end of the handheld rod is fixedly connected with an anti-slip pad, and the anti-slip pad is made of rubber.
Preferably, the top fixedly connected with shunt tubes of U type fixed plate, the front side of shunt tubes is opened and is equipped with a plurality of delivery ports, and fixedly connected with shower nozzle in the delivery port, the rear side fixedly connected with communicating pipe of shunt tubes.
Preferably, one side of the clamping plate, which is far away from the L-shaped cleaning block, is fixedly connected with a pulling rod.
Preferably, the left inner side wall and the right inner side wall of the U-shaped fixing plate are fixedly connected with two guide rods which are symmetrically distributed, and the upper side and the lower side of the threaded cylinder are fixedly connected with guide cylinders corresponding to the guide rods.
The invention has the technical effects and advantages that:
1. through being provided with the threaded rod in U type fixed plate, and rotate through using the rotating electrical machines drive threaded rod, contact L type clearance piece and rolling slats door through using handheld pole, because of the rolling slats door surface is unsmooth alternation, consequently, can make L type clearance piece and rolling slats door laminate mutually, the threaded rod promotes a screw thread section of thick bamboo through the principle of screw thread removal, screw thread section of thick bamboo pulling guide cylinder and joint support pole slide in step, driving motor control eccentric carousel synchronous rotation, eccentric carousel is in the rotation regulation in-process and drive between the connecting plate mutually support the control and be connected the diaphragm and carry out reciprocating motion, thereby it cleans the clearance operation to drive L type clearance piece reciprocal to the rolling slats door in the motion to drive the rolling slats door through the reciprocating motion of connecting the diaphragm, do not need the people to clean manually, make the clearance cleaner.
2. Be provided with splint through the left and right sides at L type clearance piece, through the pulling pole, pulling pole pulling splint, splint pulling spring make splint keep away from L type clearance piece, take off wiping cloth on the L type clearance piece to elasticity through the spring presss from both sides tightly new wiping cloth, can conveniently change wiping cloth.
3. Through being provided with the shunt tubes on U type fixed plate, will communicate outside of tubes water receiving pipe, introduce the intercommunication intraductal with water, the rethread is in communicating pipe enters into the shunt tubes to spray water through a plurality of shower nozzles on the shunt tubes and handle the rolling slats door, can make the clearance cleaner.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of part B of fig. 1 according to the present invention.
FIG. 4 is a schematic structural view of the present invention connecting the transverse plate, the T-shaped sliding block and the T-shaped sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a rolling door surface cleaning system as shown in figures 1-4, which comprises a U-shaped fixing plate 1, wherein the left inner side wall and the right inner side wall of the U-shaped fixing plate 1 are both rotatably connected with a threaded rod 2 through a bearing, the left side of the U-shaped fixing plate 1 is fixedly connected with a rotating motor 3, and the output end of the rotating motor 3 is fixedly connected with the left end of the threaded rod 2;
the outer wall of the threaded rod 2 is in threaded connection with a threaded barrel 4, the threaded barrel 4 is symmetrically provided with connecting support rods a1, the connecting support rods a1 are connected with a connecting transverse plate a2 in a sliding fit mode, the upper end of the connecting transverse plate a2 is provided with a driving motor a3 through a motor base, an output shaft of the driving motor a3 is provided with an eccentric turntable a4, the threaded barrel 4 is symmetrically provided with driving connecting plates a5, the driving connecting plates a5 are located on two sides of an eccentric turntable a4, and one end, far away from the output shaft of the driving motor a3, of the eccentric turntable abuts against the driving connecting plate a 5;
the lower end of the connecting support rod a1 is provided with a T-shaped slider a6, the connecting transverse plate a2 is provided with a T-shaped sliding groove a7, the T-shaped slider a6 is arranged in the T-shaped sliding groove a7 in a sliding manner, a reset spring rod is arranged in the T-shaped sliding groove a7, and the reset spring rod is connected to the T-shaped slider a 6;
the front side of the connecting transverse plate a2 is fixedly connected with an L-shaped cleaning block 5, the upper side and the lower side of the L-shaped cleaning block 5 are both fixedly connected with two symmetrically distributed supporting plates 6, the opposite sides of the two supporting plates 6 are both fixedly connected with springs 7, and one ends of the two springs 7 far away from the supporting plates 6 are both fixedly connected with a clamping plate 8;
the bottom of the U-shaped fixing plate 1 is provided with a handheld rod 10, and the top of the handheld rod 10 is fixedly connected with an adjusting mechanism 9.
The outer wall of the bottom end of the handheld rod 10 is fixedly connected with an anti-slip pad 11, and the anti-slip pad 11 is made of rubber.
The top fixedly connected with shunt tubes 12 of U type fixed plate 1, a plurality of delivery ports have been opened to the front side of shunt tubes 12, and fixedly connected with shower nozzle 13 in the delivery port, the rear side fixedly connected with communicating pipe 14 of shunt tubes 12, communicating pipe 14 is the hose, and be provided with the joint on communicating pipe 14, be convenient for be connected with external water pipe, 14 external water pipe of communicating pipe, introduce water in communicating pipe 14, rethread communicating pipe 14 enters into in shunt tubes 12, and carry out water spray treatment to the rolling slats door through a plurality of shower nozzles 13 on shunt tubes 12.
One side fixedly connected with pulling rod 15 that L type clearance piece 5 was kept away from to splint 8, through pulling rod 15, can be through pulling rod 15 pulling splint 8.
The two symmetrical guide rods 16 are fixedly connected to the left inner side wall and the right inner side wall of the U-shaped fixing plate 1, the guide cylinders 17 corresponding to the guide rods 16 are fixedly connected to the upper side wall and the lower side wall of the threaded cylinder 4, and the guide cylinders 17 are pulled by the threaded cylinder 4 to slide on the guide rods 16, so that the threaded cylinder 4 can be guided.
The working principle of the invention is as follows: firstly, the L-shaped cleaning block 5 is contacted with the roller shutter door by using the handheld rod 10, and the surface of the roller shutter door is concave-convex alternating, so that the L-shaped cleaning block 5 can be attached to the roller shutter door, the communicating pipe 14 is externally connected with a water pipe, water is introduced into the communicating pipe 14, then enters the shunt pipe 12 through the communicating pipe 14, and the roller shutter door is sprayed with water through the plurality of spray heads 13 on the shunt pipe 12;
then, the rotary motor 3 is used for driving the threaded rod 2 to rotate, the threaded rod 2 pushes the threaded cylinder 4 by the principle of threaded movement, the threaded cylinder 4 pulls the guide cylinder 17 and the connecting support rod a1 to synchronously slide, the connecting support rod a1 synchronously drives the connecting transverse plate a2 and the L-shaped cleaning block 5 to move, the guide cylinder 17 slides on the guide rod 16, the L-shaped cleaning block 5 is used for cleaning the surface of the roller door, the drive motor a3 controls the eccentric turntable a4 to synchronously rotate while the L-shaped cleaning block 5 moves, the eccentric turntable a4 is matched with the drive connecting plate a5 to control the connecting transverse plate a2 to reciprocate in the rotation adjustment process, the connecting support rod a1 plays roles of supporting and limiting the connecting transverse plate a2, and the L-shaped cleaning block 5 is driven to perform reciprocating cleaning operation on the roller door by the reciprocating motion of the connecting transverse plate a2, manual wiping is not needed, so that the roller shutter door is cleaned more cleanly;
finally, the pulling rod 15 is pulled, the clamping plate 8 is pulled by the pulling rod 15, the spring 7 is pulled by the clamping plate 8, the clamping plate 8 is far away from the L-shaped cleaning block 5, the wiping cloth on the L-shaped cleaning block 5 is taken down, new wiping cloth is clamped by the elasticity of the spring 7, and the wiping cloth can be replaced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a rolling slats door surface cleaning system, includes U type fixed plate (1), its characterized in that: the left inner side wall and the right inner side wall of the U-shaped fixing plate (1) are both rotatably connected with a threaded rod (2) through a bearing, the left side of the U-shaped fixing plate (1) is fixedly connected with a rotating motor (3), and the output end of the rotating motor (3) is fixedly connected with the left end of the threaded rod (2);
the outer wall of the threaded rod (2) is in threaded connection with a threaded barrel (4), connecting support rods (a1) are symmetrically arranged on the threaded barrel (4), the connecting support rods (a1) are connected with a connecting transverse plate (a2) in a sliding fit mode, a driving motor (a3) is mounted at the upper end of the connecting transverse plate (a2) through a motor base, an eccentric rotary table (a4) is mounted on an output shaft of the driving motor (a3), driving connecting plates (a5) are symmetrically mounted on the threaded barrel (4), the driving connecting plates (a5) are located on two sides of the eccentric rotary table (a4), and one end, far away from the output shaft of the driving motor (a3), of the eccentric rotary table abuts against the driving connecting plate (a 5);
the lower end of the connecting support rod (a1) is provided with a T-shaped slider (a6), a connecting transverse plate (a2) is provided with a T-shaped sliding groove (a7), the T-shaped slider (a6) is arranged in the T-shaped sliding groove (a7) in a sliding manner, a reset spring rod is arranged in the T-shaped sliding groove (a7), and the reset spring rod is connected to the T-shaped slider (a 6);
the front side of the connecting transverse plate (a2) is fixedly connected with an L-shaped cleaning block (5), the upper side and the lower side of the L-shaped cleaning block (5) are fixedly connected with two symmetrically distributed supporting plates (6), one side of each of the two supporting plates (6) which is opposite to the other side is fixedly connected with a spring (7), and one end, far away from the supporting plates (6), of each of the two springs (7) is fixedly connected with a clamping plate (8);
the bottom of U type fixed plate (1) is provided with handheld pole (10), the top fixedly connected with adjustment mechanism (9) of handheld pole (10).
2. The rolling door surface cleaning system of claim 1, wherein: adjustment mechanism (9) include with handheld pole (10) top fixed connection's extension rod (91), the one end sliding connection that handheld pole (10) were kept away from in extension rod (91) has storage cylinder (92), the top of storage cylinder (92) and the bottom fixed connection of U type fixed plate (1), the right side of storage cylinder (92) is seted up threaded hole, and threaded hole female connection has bolt (93) corresponding with extension rod (91).
3. The rolling door surface cleaning system of claim 1, wherein: the outer wall of the bottom end of the handheld rod (10) is fixedly connected with an anti-slip pad (11), and the anti-slip pad (11) is made of rubber.
4. The rolling door surface cleaning system of claim 1, wherein: the top fixedly connected with shunt tubes (12) of U type fixed plate (1), the front side of shunt tubes (12) is opened and is equipped with a plurality of delivery ports, and fixedly connected with shower nozzle (13) in the delivery port, the rear side fixedly connected with communicating pipe (14) of shunt tubes (12).
5. The rolling door surface cleaning system of claim 1, wherein: one side of the clamping plate (8) far away from the L-shaped cleaning block (5) is fixedly connected with a pulling rod (15).
6. The rolling door surface cleaning system of claim 1, wherein: the left inner side wall and the right inner side wall of the U-shaped fixing plate (1) are fixedly connected with two guide rods (16) which are symmetrically distributed, and the upper side wall and the lower side wall of the threaded cylinder (4) are fixedly connected with guide cylinders (17) corresponding to the guide rods (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584522.6A CN111671359B (en) | 2020-06-24 | 2020-06-24 | Rolling slats door surface cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584522.6A CN111671359B (en) | 2020-06-24 | 2020-06-24 | Rolling slats door surface cleaning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111671359A true CN111671359A (en) | 2020-09-18 |
| CN111671359B CN111671359B (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010584522.6A Active CN111671359B (en) | 2020-06-24 | 2020-06-24 | Rolling slats door surface cleaning system |
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| Country | Link |
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| CN (1) | CN111671359B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001037682A (en) * | 1999-07-27 | 2001-02-13 | Matsushita Electric Works Ltd | Cleaning device |
| KR20110006457U (en) * | 2009-12-21 | 2011-06-29 | 조재호 | Cleaner for stair nonslip |
| CN206942595U (en) * | 2017-05-23 | 2018-01-30 | 漳州市金安机电有限公司 | It is a kind of can automated cleaning rolling screen door |
| CN207855624U (en) * | 2017-11-02 | 2018-09-14 | 刘伊琳 | A kind of strip door curtain washer |
| CN108941069A (en) * | 2018-06-06 | 2018-12-07 | 荆门市中楚清源环保科技有限公司 | A kind of environmental protection propelling chalk wiping dust cleaning device |
| CN109330506A (en) * | 2018-11-27 | 2019-02-15 | 王认认 | A kind of multidirectional adjustable reciprocating floor-cleaning machine |
| CN209032140U (en) * | 2018-05-09 | 2019-06-28 | 朱成 | A kind of automatic wiping ground formula mop |
| CN209384990U (en) * | 2018-12-15 | 2019-09-13 | 河北佳明消防工程有限公司 | A kind of fire resistance rolling shutter door |
| CN209663503U (en) * | 2018-11-21 | 2019-11-22 | 江苏鑫伟环保设备制造有限公司 | A kind of full enclosed roller shutter deduster |
| CN210330494U (en) * | 2019-03-24 | 2020-04-17 | 青岛恒生源集团建设有限公司 | Dust cleaning equipment for building |
| CN111101834A (en) * | 2018-10-29 | 2020-05-05 | 扬州宝祥节能科技有限公司 | Quick-wiping crystal rolling shutter door |
-
2020
- 2020-06-24 CN CN202010584522.6A patent/CN111671359B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001037682A (en) * | 1999-07-27 | 2001-02-13 | Matsushita Electric Works Ltd | Cleaning device |
| KR20110006457U (en) * | 2009-12-21 | 2011-06-29 | 조재호 | Cleaner for stair nonslip |
| CN206942595U (en) * | 2017-05-23 | 2018-01-30 | 漳州市金安机电有限公司 | It is a kind of can automated cleaning rolling screen door |
| CN207855624U (en) * | 2017-11-02 | 2018-09-14 | 刘伊琳 | A kind of strip door curtain washer |
| CN209032140U (en) * | 2018-05-09 | 2019-06-28 | 朱成 | A kind of automatic wiping ground formula mop |
| CN108941069A (en) * | 2018-06-06 | 2018-12-07 | 荆门市中楚清源环保科技有限公司 | A kind of environmental protection propelling chalk wiping dust cleaning device |
| CN111101834A (en) * | 2018-10-29 | 2020-05-05 | 扬州宝祥节能科技有限公司 | Quick-wiping crystal rolling shutter door |
| CN209663503U (en) * | 2018-11-21 | 2019-11-22 | 江苏鑫伟环保设备制造有限公司 | A kind of full enclosed roller shutter deduster |
| CN109330506A (en) * | 2018-11-27 | 2019-02-15 | 王认认 | A kind of multidirectional adjustable reciprocating floor-cleaning machine |
| CN209384990U (en) * | 2018-12-15 | 2019-09-13 | 河北佳明消防工程有限公司 | A kind of fire resistance rolling shutter door |
| CN210330494U (en) * | 2019-03-24 | 2020-04-17 | 青岛恒生源集团建设有限公司 | Dust cleaning equipment for building |
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| CN111671359B (en) | 2021-09-14 |
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Effective date of registration: 20210820 Address after: 061000 Nan he tou Xiang Zhong Fang Tun, Xian County, Cangzhou City, Hebei Province Applicant after: Cangzhou Xinwei mechanical equipment Co.,Ltd. Address before: 066000 shanguo technology entrepreneurship technology incubator, No. 137, Hebei Street, Haigang District, Qinhuangdao City, Hebei Province Applicant before: Li Shuhao |
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